Subtracting Mixed Numbers - YourTeacher.com - Pre Algebra Help

For a complete lesson on subtracting mixed numbers, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to subtract mixed numbers by first subtracting the fractions, then subtracting the whole numbers. For example, to subtract 6 1/3 - 4 2/3, first subtract 1/3 � 2/3. However, notice that 1/3 � 2/3 equals a negative fraction. In this situation, the first fraction, 6 1/3, can be rewritten as 5 + 1 1/3, or 5 + 4/3, or 5 4/3. Therefore, the original problem, 6 1/3 - 4 2/3, can be rewritten as 5 4/3 - 4 2/3. Now, subtract the fractions, 4/3 � 2/3, to get 2/3, and subtract the whole numbers, 5 �4, to get 1. So 5 4/3 - 4 2/3 = 1 2/3. Note that some of the problems in this lesson also require the student to find a common denominator for the fractions. For example, 8 5/16 - 1 1/8.

Category:

Education

Tags:

• subtracting
• mixed
• numbers
• fractions
• subtract
• subtraction
• math

[MRiHEARTDUDES]

@McCalister1 IM 25 AND GOT A BALLIN ASS JOB WORKED ON A U.S. NAVY SUBMARINE GRADUATED SCHOOL AND COLLEGE AND IM STILL REVIEWING THIS SHIT DONT FEEL BAD KID LOL

[mini13ize]

i dont get the part were u got 9+4/3

[DamianKenny8]

@EnsiferumRules props for the epic username

[lollipopsaretasty]

i dont get it thats why im fali,ing im doing 1 2/3 - 2 1/4 CAN SOME ONE HELP ME PLEASE

[Pizzamail]

when you borrow I think you get the whatever the denominator is, like 4 3/12 you would get 12/12 because when the fraction is full it equals 1 right? and 12 + 3 = 15 and the denominator would stay the same?

[potatojose1997]

I got bored at 0:00

[o0konnichiwa0o]

@ChuckkNorris420 fail

[o0konnichiwa0o]

she got 9 4/3 becuz if u simplify it (4/3 = 1 1/3) you get 10 1/3. its like subtracting, where u gotta borrow from ur neighbor. 

[MariahEBritt]

What school is this teacher from?

[desigirlll32]

@partyluver100 press ctrl + f ....type Mccalister in the box....press *down button* till u reach his comment ;) time saved!

[avvy010]

@crazyricanforeva1829 from the upside of that 1x3= 3 plus 1 = 4 then copy the denominator 4/3......